Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ??.
?
What will be an ideal response?
Mathematics
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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 51.78 inches B. 52.06 inches C. 51.14 inches D. 52.44 inches
Mathematics
Convert the decimal form numeral to a numeral in the base indicated.68 to base 8
A. 1408 B. 1208 C. 1028 D. 1048
Mathematics
Solve the equation.21s + 40 = -4s
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to three decimals.What annual rate of interest is required to triple an investment in 7 years?
A. 15.694% B. 10.409% C. 8.497% D. 16.993%
Mathematics